libdc/src/device-private.h
2008-10-05 20:14:18 +00:00

85 lines
2.4 KiB
C

/*
* libdivecomputer
*
* Copyright (C) 2008 Jef Driesen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef DEVICE_PRIVATE_H
#define DEVICE_PRIVATE_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include "device.h"
struct device_t;
struct device_backend_t;
typedef struct device_backend_t device_backend_t;
struct device_t {
const device_backend_t *backend;
// Progress callback data.
progress_callback_t progress;
void *userdata;
};
struct device_backend_t {
device_type_t type;
device_status_t (*handshake) (device_t *device, unsigned char data[], unsigned int size);
device_status_t (*version) (device_t *device, unsigned char data[], unsigned int size);
device_status_t (*read) (device_t *device, unsigned int address, unsigned char data[], unsigned int size);
device_status_t (*write) (device_t *device, unsigned int address, const unsigned char data[], unsigned int size);
device_status_t (*dump) (device_t *device, unsigned char data[], unsigned int size, unsigned int *result);
device_status_t (*foreach) (device_t *device, dive_callback_t callback, void *userdata);
device_status_t (*close) (device_t *device);
};
#define INFINITE ((unsigned int)-1)
typedef struct device_progress_state_t {
progress_callback_t callback;
void *userdata;
unsigned int current, maximum;
} device_progress_state_t;
void
progress_init (device_progress_state_t *progress, device_t *device, unsigned int maximum);
void
progress_event (device_progress_state_t *progress, device_event_t event, unsigned int value);
void
progress_set_maximum (device_progress_state_t *progress, unsigned int value);
void
device_init (device_t *device, const device_backend_t *backend);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* DEVICE_PRIVATE_H */